Key holder



FIG. 1 is a perspective view of a key holder showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a side elevational view the opposite side being a mirror image therof;

FIG. 5 is an end elevational view;

FIG. 6 is an opposite end elevational view side opposite FIG. 5; and

FIG. 7 is a perspective view shown in a position of use.

The broken line showing of part of a key is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a key holder, as shown and described. 